Analysis
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max time kernel
120s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07-12-2024 18:32
Behavioral task
behavioral1
Sample
6a4acf0efe42ed3c68cb72e23dd7e835ca05d6228f85ef5ddfba179b83764da9N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
6a4acf0efe42ed3c68cb72e23dd7e835ca05d6228f85ef5ddfba179b83764da9N.exe
Resource
win10v2004-20241007-en
General
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Target
6a4acf0efe42ed3c68cb72e23dd7e835ca05d6228f85ef5ddfba179b83764da9N.exe
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Size
29KB
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MD5
a38df79cb2441972c87f1d9669594dc0
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SHA1
03319e8bef81b69d3831483b843cab857f594340
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SHA256
6a4acf0efe42ed3c68cb72e23dd7e835ca05d6228f85ef5ddfba179b83764da9
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SHA512
4d27c1084c5f325cc1845c8b1e114d9a09a8442b34f313a8781cf62cda60ec95a4a4887ecb5842d9e7308b4ee7c2eb55ad83cce59e0bb04cbe3952de6e343bfe
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/Q:AEwVs+0jNDY1qi/qo
Malware Config
Signatures
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Detects MyDoom family 2 IoCs
resource yara_rule behavioral1/memory/2204-17-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom behavioral1/memory/2204-62-0x0000000000500000-0x0000000000510200-memory.dmp family_mydoom -
Mydoom family
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Executes dropped EXE 1 IoCs
pid Process 2908 services.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 6a4acf0efe42ed3c68cb72e23dd7e835ca05d6228f85ef5ddfba179b83764da9N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
resource yara_rule behavioral1/memory/2204-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2908-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000016644-10.dat upx behavioral1/memory/2204-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2204-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2908-21-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2908-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2908-27-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2908-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2908-34-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2908-39-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2908-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2908-46-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2908-51-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2908-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2908-58-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2908-63-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2204-62-0x0000000000500000-0x0000000000510200-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 6a4acf0efe42ed3c68cb72e23dd7e835ca05d6228f85ef5ddfba179b83764da9N.exe File opened for modification C:\Windows\java.exe 6a4acf0efe42ed3c68cb72e23dd7e835ca05d6228f85ef5ddfba179b83764da9N.exe File created C:\Windows\java.exe 6a4acf0efe42ed3c68cb72e23dd7e835ca05d6228f85ef5ddfba179b83764da9N.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6a4acf0efe42ed3c68cb72e23dd7e835ca05d6228f85ef5ddfba179b83764da9N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2204 wrote to memory of 2908 2204 6a4acf0efe42ed3c68cb72e23dd7e835ca05d6228f85ef5ddfba179b83764da9N.exe 30 PID 2204 wrote to memory of 2908 2204 6a4acf0efe42ed3c68cb72e23dd7e835ca05d6228f85ef5ddfba179b83764da9N.exe 30 PID 2204 wrote to memory of 2908 2204 6a4acf0efe42ed3c68cb72e23dd7e835ca05d6228f85ef5ddfba179b83764da9N.exe 30 PID 2204 wrote to memory of 2908 2204 6a4acf0efe42ed3c68cb72e23dd7e835ca05d6228f85ef5ddfba179b83764da9N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\6a4acf0efe42ed3c68cb72e23dd7e835ca05d6228f85ef5ddfba179b83764da9N.exe"C:\Users\Admin\AppData\Local\Temp\6a4acf0efe42ed3c68cb72e23dd7e835ca05d6228f85ef5ddfba179b83764da9N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:2908
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2